Electric switch



Filed July 28, 1928 j it has'particu1a referenceto contact posts;

l vantage; ,1 s More particularly, the object of the in'ven} tion is to'pfovid,anigimprcvedcconta'ctspo'st V --w-hich is extremely'simplej-ih [COllSbI'UCiliOIlf r w whi'ch can be/Very economically -'maiiiifac l' 21s n tured and'iessembled; which willspefmitlof g I f 'the'wi'i'e being secured thereto with ease and 4 facility; whichwill securely'hold the vire,

' .and' which will otinter fere with the -,co{rer-Q;

' T ofthe switch irresp'ectiveofjthe sizei'ofthe Patented" Myinventioh relates to-ffelect'riclswitches, such, for example, ofthe typejharvihgone or 'g more switch blades ,-;adapted"'to ,be s ipped into and out of ezigilgement withlte'rmi nals or contacts-positioned one suitible base; and

Y The aim of ItheiIiV-entionjis to provitl'e' im= proved)contactfpostsfox" electric i switchesy c haying arious fQfittlIQSl oi fn ovelty and Wire'f'connected tothepost c s Other-objects Willbe' i 'fpqitt obvious and] r in' pai t pointed out -more in""detai1 herein-I 'afte iJ-c 1 'The intention accordingly consists iii the features of construction, combination of ele ments' and arrangement of fi'arts Which=wi1l be eizemplifie d' 'infthe construction hereinqafter set forthand the scopefof the epplicetion of which will b pended claimsi I. have shown, for, illustrative, purposes;- one, embodiment which the present invention maytake: I

switch equipped withflcontact posts co I1"-' 'structed in accordance with the pr'eseiit invention, partsbeizig in section; c L Fig.2'is a, toppla'n viewlof a contact post partly in section; n r g 'Figfiifi is an edge iew: of one ofthe posts; 7 Fig. 4 is a blank from which the body portion of the post shown initheypreceding figures may be formedpand V Fig. '5' is a perspecti eiew showing another embodiment of the. invention.

In this drawing, '1 have shown, for pur poses of exemplification only my" improved contact postslap'plied" to a'switch ofla; Well-[f 1 known construction, having abasexAfi:

Aspeem ee;my '28, I

ezich post' 115: horiz illdicated, in the z p- "Figure .1 a" Side elevational View ,Qf ia f toiabe screwed: .intoi; these openings for ithe v V purpose; foriholdiil g thepost in place}? The upper ebs gllYand; lowep web 12 are respecf "ti-yel'y pr oyidedv @With' central. Qopenings ".17 v

a d t r i gh. ich ewire :19- m y be F- -Foi' Tth'ti pu'rpbs e of; securing vthe 'gWirey{vi i 20 a dapted tobe' drawn towards the Vertical screws being shown, in by wayf o'f illustfati wn); having-one o odiment's shown for 1 llustrca Ve purposes 11 t1 'bodinrieEr' t showr'i' no Ls'iVe oiled-t the arms is ith a" integral cqnteet'ie: ob;

' 11(151'2 i may; carry erein theai ms I 7 arms 11 an 12 de p adapted, toz-project uplthrough thepba se' and' p1ace ;;the 1;e" is p ey-med clamping plate.

screws 21 twos11'ch C wat -10 "by one or more ipresn i stan forming a vertical groove 22 which conwire,-said clampingplate having a pair of stitutes a seat for the wire 19. The screws threaded openings, and screws extending 'l 21 extend loosely through counter-bored through said web openings 25 in the vertical web and are openings; screwed into holes 26' in the clamping plate '2O., m a

-- --From the'fore oing descriptiom'taken in connection with e accompanying drawing,

it will be seen that myimproved contact post,

, while being simple in construction, is strong I r and effective. The post may be eccnomica1 ly manufactured, it maybe easily applied,

and an; electrical Wire or conductor may be securely clamped thereby with facility. It a will be observed that the" vertical web is just inside ofthe cylindrical-wallfoi "the V cover anclt is parallel 'theretoj QThe screws e t n f y ml "the ic l'fw' h and'the'heads ofthese-screws are adapted to l v seat on theweb. With Fthis arrangement, a 1" I thescre ws do not interiere with the position- 5As, many changes could be made in the a above econstruction and many" apparently widely diilerent embodiments of this inventioncould be v niade without departingrfrom the scope thereof, it isintended that all matl clamping plate opposed tosaidweb and hay- 'ing a pair of threaded openings, and agpair 5 web, said clamping; plate having a threaded opening, and a screw extending through said web and screwed into said opening.

7 ing of the cover onthje switch as would be the case if the screws ha d" threaded relation I with the vertical web and a thick wire was t b c amp dter' contained in r the above description or shown. t e c mpa y drawing Shall I a be interpreted as illustrative and not in a t i limiting sense.

ed tocover all of the generic and specific features of the invention :herein' described and all statements of the scope of the invention I which, as amatterpf. languaggmight be said to fall therebetween;

I claim 'asmy invention.

p 1. .A contact Post for; eleotrical switches I g It is also to that the, a guageused'in the following claims is intend,-

having a web provided withan armadapted r I i V tobesecured to a SWitQh'baSB,'S'ald arm hav ing formedintegrally therewith acentact, a

of screws extending through said web I screwed into said openings, V .l I i 2.'A contact postafor electrical switches -comprising a mem'ber provided with a 'ce-ntral web,a pairofarmaand a contact'on at least one of said arms; a clamping plate between said arms and opposed to said central 3 A" contact post 'forelectric'al switches havlng a generally U-shaped member provided witha central web, a pair of arms, and a a contact member extending from one of the arms; a clamping plate opposed'to said web Qandhaving a groove adapted toreceive a. c

and screwed intosaid- V 

